CN201402724Y - Transformer framework of embedded mounting low tension coil - Google Patents
Transformer framework of embedded mounting low tension coil Download PDFInfo
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- CN201402724Y CN201402724Y CN2009201307257U CN200920130725U CN201402724Y CN 201402724 Y CN201402724 Y CN 201402724Y CN 2009201307257 U CN2009201307257 U CN 2009201307257U CN 200920130725 U CN200920130725 U CN 200920130725U CN 201402724 Y CN201402724 Y CN 201402724Y
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Abstract
A transformer framework of embedded mounting low tension coil comprises a plastic framework, which is provided with a high-tension coil slot and a low-tension coil area whose inner is provided with amagnetic core hole, and a first and a second pin seats are extended from the two ends extend, and further comprises an embedded mounting low tension coil which comprises a coil part and two lead-out wires, the two lead-out wires respectively extend outside from the two ends of the coil part to the direction of the second pin seat, and form an angle of 85-95 degrees with the cross section of the coil part, and the embedded mounting low tension coil is inward embedded in the low-tension coil area of the plastic framework through the insert injection molding technology, and forms an integral component with the plastic framework. The embedded mounting low tension coil of the framework adopts an integral component which is made through punching a copper belt or coiling a copper wire, the formwork has good consistency, can be manufactured in batch and reduces the cost, the coil part of the formwork is packed through plastic materials of the low-tension coil area in which the coil part locates, can not be loosened, can be directly mounted on a PCB, and brings convenience to the coiling of subsequent high-tension coils and the mounting of circuit boards.
Description
Technical field
The utility model belongs to the transformer technology field, it specifically is a kind of transformer framework of embedded mounted with low-voltage coil, it is combined into an integrated member by the inserts Shooting Technique with mounted with low-voltage coil and plastic skeleton, for the coiling of follow-up high-tension coil and the attachment process of transformer are provided convenience.
Background technology
Transformer framework is used to carry high pressure winding and low pressure winding, and traditional transformer framework comprises plastic skeleton, and the magnetic core hole is arranged in the skeleton, and the pin seat is extended at two ends, and skeleton is provided with high-voltage line ring recess and low-voltage line ring recess.In the subsequent handling,, with the terminal and corresponding pin welding of each coil, can constitute transformer again by the coil winding machine high and low line pressure circle of coiling in the high and low pressure coil area respectively.Its operation is loaded down with trivial details, and efficient is low, and repeatedly coiling usually causes skeleton low-pressure side pin stress deformation, and is smooth bad.
The patent No. is that 200720172351.6 utility model has proposed a kind of transformer framework with mounted with low-voltage coil, it installs to structure of formation on the plastic skeleton with the mounted with low-voltage coil cover of moulding in advance, mounted with low-voltage coil can directly paste PCB by its pin, certain convenience is provided for the coiling of follow-up high-tension coil and the attachment process of transformer.But the consistency of the mounted with low-voltage coil of the coiling moulding of this scheme is undesirable, and in the subsequent handling, the mounted with low-voltage coil that is sleeved on the transformer framework is loosening easily.
Summary of the invention
For overcoming the prior art above shortcomings, the utility model provides a kind of transformer framework of embedded mounted with low-voltage coil, mould technology by inserts mounted with low-voltage coil and plastic skeleton are combined into an integrated member, with convenient coiling of follow-up high-tension coil and mounting of transformer.
The transformer framework of the embedded mounted with low-voltage coil of the utility model comprises:
One plastic skeleton, this plastic skeleton have high-voltage line ring recess and low-voltage coil district, in establish the magnetic core hole, first and second pin seat is extended at two ends; And,
One mounted with low-voltage coil, this mounted with low-voltage coil comprise coiler part and two lead-out wires, and these two lead-out wires extend towards the second pin seat direction from the two ends of this coiler part respectively, and become the angle of 85-95 degree with the cross section of this coiler part; This mounted with low-voltage coil is embedded in the low-voltage coil district of described plastic skeleton by the inserts Shooting Technique, forms an integrated member with described plastic skeleton.
Wherein, described mounted with low-voltage coil is the one coil member that adopts copper strips punch forming or copper cash coiling moulding, and coiler part is coated by the plastic material of the low-voltage coil district portion of its place plastic skeleton.
Described mounted with low-voltage coil can comprise the copper coiler part and the lead-out wire at its two ends; This coiler part has 1.75 circles, comprise two "
" the shape part, one "
" tail end of shape part and another "
" top of shape part connects by a junction, these two lead-out wires respectively from another "
" shape part tail end, one from "
" shape part top towards coiler part longitudinally an extreme direction extend, and become the angle of 85-95 degree with the cross section of this coiler part.
Described mounted with low-voltage coil also can comprise the copper coiler part and the lead-out wire at its two ends; This coiler part comprises coil and at least one single-turn circular coil of 1.75 circles, the top of the tail end of previous single-turn circular coil and back single-turn circular coil welding between the adjacent single-turn circular coil, the tail end welding of the top of first single-turn circular coil and described 1.75 circle coils, the tail end of last single-turn circular coil and lead-out wire welding, another lead-out wire extends from the top of described 1.75 circle coils.
The described mounted with low-voltage coil number of turn can be selected between 1.75～10 circles.
Be used to mount a kind of mounted with low-voltage coil of transformer framework, comprise:
One copper coiler part; And,
Article two, lead-out wire, they respectively from the two ends of this coiler part towards coiler part longitudinally an extreme direction extend, and become the angle of 85-95 degree with the cross section of this coiler part 21.
The utility model will be moulded technology by inserts mounted with low-voltage coil and plastic skeleton will be combined into an integrated member, and mounted with low-voltage coil is embedded in the low-voltage coil district portion of plastic skeleton, can not become flexible; Can directly be affixed on PCB by its pin, greatly facilitate follow-up high-tension coil coiling and with the attachment process of circuit board, the smooth bad problem of transformer framework low-pressure side pin stress deformation that can avoid traditional handicraft repeatedly to wind the line causing.
Simultaneously, mounted with low-voltage coil is the one coil member of copper strips punch forming or copper cash coiling moulding, and high conformity can be produced in batches, reduces cost.
Description of drawings
Fig. 1 is the structural representation of the utility model exemplary embodiments;
Fig. 2 is the stereogram of bottom view of Fig. 1 embodiment;
Fig. 3 is the mounted with low-voltage coil one example structure schematic diagram in Fig. 1 exemplary embodiments;
Fig. 4 is the plane outspread drawing of Fig. 3 mounted with low-voltage coil embodiment.
Embodiment
Be described further below in conjunction with the embodiment accompanying drawing.
With reference to Fig. 1-4, the transformer framework of the embedded mounted with low-voltage coil of this embodiment comprises plastic skeleton 1 and mounted with low-voltage coil 2.Plastic skeleton 1 has high-voltage line ring recess 12 and low-voltage coil district 14, in establish magnetic core hole 17, first and second two pin seats 11,15 are extended at two ends, establish the pin 151 of establishing the other end that is used to connect high-tension coil on number of pins 111, the second pin seats 15 of an end that is used to connect high-tension coil on the first pin seat 11.
The free end that mounted with low-voltage coil 2 comprises coiler part 21 and two lead-out wire 22,25, two lead-out wires 22,25 for by the mould forging forming mount pin 23,24, the surface is electroplated pure bright tin and is handled; These two lead-out wires 22,25 extend towards the second pin seat, 15 directions from the two ends of this coiler part 21 respectively, and become the angle of 85-95 degree with the cross section of this coiler part 21; This mounted with low-voltage coil 2 is embedded in the low-voltage coil district portion 14 of described plastic skeleton 1 by the inserts Shooting Technique, forms an integrated member with described skeleton 1.
Wherein, described mounted with low-voltage coil 2 is to adopt the copper strips punching out of certain thickness (as 0.2-1.5mm) or the one coil member of coiling moulding, coiler part 21 is coated by the plastic material of the low-voltage coil district portion 14 of its place plastic skeleton 1, is also isolated by plastic material between each coil of coiler part 21.
According to being used for the transformer specification requirement that pcb board mounts, mounted with low-voltage coil 2 numbers of turn can be selected between 1.75～10 circles, but are not limited thereto number of turn scope.Mounted with low-voltage coil 2 also can be used copper cash coiling moulding, and two lead-out wires that make its coiler part two ends along coiler part longitudinally an end draw.
The conductor cross-section of mounted with low-voltage coil 2 can be rectangle or circle etc.
It is in the same plane that two of mounted with low-voltage coil 2 mount the lower surface of other pin 111,151 of the lower surface of pin 23,24 and described plastic skeleton 1, with convenient follow-up finished product (being wound with high-tension coil) with the pcb board location, mount.
High-voltage line ring recess 12 on the plastic skeleton 1 can be provided with some dividing plates 121 with the tradition design on it, be used for average voltage, and high-tension coil requires other coiling according to product specification.Bottom surface at the first pin seat 11 of plastic skeleton 1 can be provided with some locating shafts 18, is used for cooperating accurately location with location hole on the circuit board.
At least one duct 19 that is communicated with the base channel section of high-voltage line ring recess 12 can be offered in the first pin seat, 11 bottom surfaces that are positioned at described high-voltage line ring recess 12 ends, is used for an outlet part ccontaining, the protection high-tension coil.In described low-voltage coil district 14 and the bottom surface of the second pin seat 15 that connects offer two ducts 16, these two ducts 16 are communicated with the base channel section of high-voltage line ring recess 12, are used for another ccontaining, as to protect high-tension coil outlet part.
Mounted with low-voltage coil one embodiment sees Fig. 3, and this mounted with low-voltage coil 2 comprises the lead-out wire part 22,25 at copper coiler part 21 and its two ends.This coiler part 21 has 1.75 circles, comprise two "
" 211,212, one of shape parts (being the rectangle part of openings at one side) "
" tail end of shape part 211 and another "
" top of shape part 212 connects by a junction 213, these two lead-out wires 22,25 respectively from another "
" shape part 212 tail end, one from "
" shape part 211 top towards coiler part longitudinally an extreme direction extend, and become the angle of 85-95 degree with the cross section of this coiler part, this connecting portion 213 is preferably in the plane at two lead-out wire 25,22 places.
The plane outspread drawing of Fig. 3 embodiment (being coil base sheet figure) as shown in Figure 4, its plane outspread drawing comprise two of constituting coiler part "
" 211,212, two of shape parts (being the rectangle part of openings at one side) "
" shape part 211,212 openends are adjacent opposed, one "
" tail end of shape part 211 and another "
" top of shape part 212 connects by a junction 213, connecting portion 213 can be selected oblique strip shaped or broken line shape; This lead-out wire 22 from "
" tail end of shape part 212 extends, this lead-out wire 25 from "
" top of shape part 211 extends, the bearing of trend unanimity of two lead-out wires 22,25, the free end of two lead-out wires 22,25 is the pin portion that mounts 23,24 to be formed.Coil base sheet as Fig. 4 plane outspread drawing can be processed into the mounted with low-voltage coil 2 of Fig. 3 by the bending and molding mould.
When the number of turn of mounted with low-voltage coil more for a long time, its coiler part can adopt the coil of 1.75 circles and the mounted with low-voltage coil that some single-turn circular coils connect and compose the number of turn of wanting.The coiler part of this mounted with low-voltage coil can be composed in series by coiler part 21 and at least one single-turn circular coil of 1.75 circles shown in Figure 3, the top of the tail end of previous single-turn circular coil and back single-turn circular coil welding between the adjacent single-turn circular coil, the tail end welding of the top of first single-turn circular coil and described 1.75 circle coils 21, the tail end of last single-turn circular coil and lead-out wire 22 welding, another lead-out wire 25 extends from the top of described 1.75 circle coils 21, this lead-out wire 22,25 and become the angle of 85-95 degree with the cross section of this coiler part.Wherein, this single-turn circular coil and shown in Figure 3 by "
" shape part 212 be connected this "
" loop construction that constitutes of the bar shaped connecting portion 213 of shape part 212 is identical; The unicoil base plate shape of this single-turn circular coil substantially with above among Fig. 4 "
" shape part 212 and connect should "
" connecting portion 213 parts of shape part 212, become the standard single-turn circular coil by the bending and molding Mould Machining.
Above-mentioned two "
" shape part (being the rectangle part of openings at one side) can with an end opening oval partly "
" or the like approximate shape substitute.
With reference to Fig. 3,4, be used to mount a kind of mounted with low-voltage coil of transformer framework, comprising:
One copper coiler part 21; And,
Article two, lead-out wire 22,25, and they extend towards same direction from the two ends of this coiler part 21 respectively, and a coiler part extreme direction longitudinally extends, and become the angle of 85-95 degree with the cross section of this coiler part 21.
These mounted with low-voltage coil 2 numbers of turn can be selected between 1.75～10 circles.
When copper coiler part 21 is 1.75 circles, its planar development Fig. 4 comprise two "
" 211,212, two of shape parts "
" shape part 211,212 openends are adjacent opposed, one "
" tail end of shape part and another "
" top of shape part connects by a junction 213.And from "
" tail end of shape part 212 extends lead-out wire 22, from "
" top of shape part 211 extends the bearing of trend unanimity of lead-out wire 25, two lead-out wires 22,25, the free end of two lead-out wires 22,25 is the pin portion that mounts 23,24 to be formed.
Claims (10)
1, a kind of transformer framework of embedded mounted with low-voltage coil comprises:
One plastic skeleton, this plastic skeleton have high-voltage line ring recess and low-voltage coil district, in establish the magnetic core hole, first and second two pin seats are extended at two ends; It is characterized in that also comprising:
One mounted with low-voltage coil, this mounted with low-voltage coil comprise coiler part and two lead-out wires, and these two lead-out wires extend towards the second pin seat direction from the two ends of this coiler part respectively, and become the angle of 85-95 degree with the cross section of this coiler part; This mounted with low-voltage coil is embedded in the low-voltage coil district of described plastic skeleton by the inserts Shooting Technique, forms an integrated member with described plastic skeleton.
2, according to the transformer framework of the embedded mounted with low-voltage coil of claim 1, it is characterized in that: described mounted with low-voltage coil is the one coil member that adopts copper strips punch forming or copper cash coiling moulding, and its coiler part is coated by the plastic material in the low-voltage coil district of its place plastic skeleton.
3, according to the transformer framework of the embedded mounted with low-voltage coil of claim 1 or 2, it is characterized in that: described mounted with low-voltage coil comprises the copper coiler part and the lead-out wire at its two ends; This coiler part has 1.75 circles, comprises two
The shape part, one
The tail end of shape part and another
The top of shape part connects by a junction, and these two lead-out wires are respectively from another
The tail end of shape part, one
The top of shape part towards coiler part longitudinally an extreme direction extend, and become the angle of 85-95 degree with the cross section of this coiler part.
4, according to the transformer framework of the embedded mounted with low-voltage coil of claim 3, it is characterized in that: the plane outspread drawing of described mounted with low-voltage coil comprises two that constitute coiler part
The shape part, two
Shape part openend is adjacent opposed, one
The tail end of shape part and another
The top of font part connects by a junction; Its two lead-out wire is respectively from another
The tail end of shape part and one
The top of shape part extends towards same direction, and two free ends of drawing are the pin portion that mounts to be formed.
5, according to the transformer framework of the embedded mounted with low-voltage coil of claim 1 or 2, it is characterized in that: described mounted with low-voltage coil comprises the copper coiler part and the lead-out wire at its two ends; This coiler part comprises coil and at least one single-turn circular coil of 1.75 circles, the top of the tail end of previous single-turn circular coil and back single-turn circular coil welding between the adjacent single-turn circular coil, the tail end welding of the top of first single-turn circular coil and described 1.75 circle coils, the tail end of last single-turn circular coil and lead-out wire welding, another lead-out wire extends from the top of described 1.75 circle coils.
6, according to the transformer framework of the embedded mounted with low-voltage coil of claim 1 or 2, it is characterized in that: described mounted with low-voltage coil has 1.75～10 circles.
7, according to the transformer framework of the embedded mounted with low-voltage coil of claim 1; it is characterized in that: at least one duct that is communicated with the base channel section of high-voltage line ring recess is offered in the first pin seat bottom surface that is positioned at described high-voltage line ring recess end, is used for an outlet part ccontaining, the protection high-tension coil.
8, according to the transformer framework of the embedded mounted with low-voltage coil of claim 7; it is characterized in that: two ducts are offered in the bottom surface in the second pin seat of described low-voltage coil district and connection thereof; these two ducts are communicated with the base channel section of high-voltage line ring recess, are used for another outlet part ccontaining, the protection high-tension coil.
9, be used to mount a kind of mounted with low-voltage coil of transformer framework, comprise:
One copper coiler part; And,
Article two, lead-out wire, they respectively from the two ends of this coiler part towards coiler part longitudinally an extreme direction extend, and become the angle of 85-95 degree with the cross section of this coiler part.
10, according to the mounted with low-voltage coil of claim 9, it is characterized in that: described copper coiler part has 1.75 circles, and plane outspread drawing comprises two
The shape part, two
Shape part openend is adjacent opposed, one
The tail end of shape part and another
The top of shape part connects by a junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201307257U CN201402724Y (en) | 2009-04-15 | 2009-04-15 | Transformer framework of embedded mounting low tension coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201307257U CN201402724Y (en) | 2009-04-15 | 2009-04-15 | Transformer framework of embedded mounting low tension coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201402724Y true CN201402724Y (en) | 2010-02-10 |
Family
ID=41662524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201307257U Expired - Lifetime CN201402724Y (en) | 2009-04-15 | 2009-04-15 | Transformer framework of embedded mounting low tension coil |
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| Country | Link |
|---|---|
| CN (1) | CN201402724Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112823402A (en) * | 2018-12-28 | 2021-05-18 | 株式会社Mst科技 | Power factor correction coil device and manufacturing method thereof |
-
2009
- 2009-04-15 CN CN2009201307257U patent/CN201402724Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112823402A (en) * | 2018-12-28 | 2021-05-18 | 株式会社Mst科技 | Power factor correction coil device and manufacturing method thereof |
| CN112823402B (en) * | 2018-12-28 | 2024-06-25 | 株式会社Mst科技 | Power factor correction coil device and method of manufacturing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100210 Effective date of abandoning: 20090415 |